testMemoryAssociation.cpp (1467B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 * vim: set ts=8 sts=2 et sw=2 tw=80: 3 */ 4 /* This Source Code Form is subject to the terms of the Mozilla Public 5 * License, v. 2.0. If a copy of the MPL was not distributed with this 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 7 8 #include "jsapi.h" 9 #include "jspubtd.h" 10 11 #include "js/CompilationAndEvaluation.h" 12 #include "jsapi-tests/tests.h" 13 14 static const JS::MemoryUse TestUse1 = JS::MemoryUse::XPCWrappedNative; 15 static const JS::MemoryUse TestUse2 = JS::MemoryUse::DOMBinding; 16 17 BEGIN_TEST(testMemoryAssociation) { 18 JS::RootedObject obj(cx, JS_NewPlainObject(cx)); 19 CHECK(obj); 20 21 // No association is allowed for nursery objects. 22 JS_GC(cx); 23 24 // Test object/memory association. 25 JS::AddAssociatedMemory(obj, 100, TestUse1); 26 JS::RemoveAssociatedMemory(obj, 100, TestUse1); 27 28 // Test association when object moves due to compacting GC. 29 void* initial = obj; 30 JS::AddAssociatedMemory(obj, 300, TestUse1); 31 JS::PrepareForFullGC(cx); 32 JS::NonIncrementalGC(cx, JS::GCOptions::Shrink, JS::GCReason::DEBUG_GC); 33 CHECK(obj != initial); 34 JS::RemoveAssociatedMemory(obj, 300, TestUse1); 35 36 // Test multiple associations. 37 JS::AddAssociatedMemory(obj, 400, TestUse1); 38 JS::AddAssociatedMemory(obj, 500, TestUse2); 39 JS::RemoveAssociatedMemory(obj, 400, TestUse1); 40 JS::RemoveAssociatedMemory(obj, 500, TestUse2); 41 42 return true; 43 } 44 END_TEST(testMemoryAssociation)